As Christa begins decrypting the documents, Darius receives a tip about Linus. Back at the ward, Christa asks Lana for help with a secret plan.

A gruesome discovery prompts Darius and Christa to reconstruct Linn Gonzales's journey along a desolate bus route.

Flashbacks reveal what happened the night of the stadium suicides. Ten years later, Caron finds his secret -- and his life's work -- in danger.